EP 1795936 B1 20121114 - Compact imaging lens of the telephoto type with four single lenses
Title (en)
Compact imaging lens of the telephoto type with four single lenses
Title (de)
Kompaktes Teleobjektiv mit vier Einzellinsen
Title (fr)
Téléobjectif compact ayant quatre lentilles simples
Publication
Application
Priority
- JP 2005283947 A 20050929
- JP 2006163875 A 20060613
Abstract (en)
[origin: US2007070525A1] An imaging lens is provided and includes: in order from an object side of the imaging lens, a first lens having a convex surface on the object side and having a positive power; a second lens having a concave surface on the object side and having a negative power; a third lens having a positive power; and a fourth lens having a convex surface on the object side near a paraxial axis and having a meniscus shape. The imaging lens satisfies conditional expressions specified in the specification.
IPC 8 full level
G02B 13/00 (2006.01); G02B 9/34 (2006.01)
CPC (source: EP KR US)
G02B 9/34 (2013.01 - EP KR US); G02B 13/004 (2013.01 - EP US); G02B 13/18 (2013.01 - KR)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
US 2007070525 A1 20070329; US 7295386 B2 20071113; EP 1795936 A2 20070613; EP 1795936 A3 20070627; EP 1795936 B1 20121114; JP 2007122007 A 20070517; JP 4828317 B2 20111130; KR 100766389 B1 20071012; KR 20070036695 A 20070403; TW 200714920 A 20070416; TW I308965 B 20090421; US 2008180817 A1 20080731; US 2009185288 A1 20090723; US 7535658 B2 20090519; US 7715119 B2 20100511
DOCDB simple family (application)
US 52847706 A 20060928; EP 06020408 A 20060928; JP 2006163875 A 20060613; KR 20060094603 A 20060928; TW 95135933 A 20060928; US 41309009 A 20090327; US 93208107 A 20071031